Specification of cages for cage culture of Pelteobagrus fulvidraco
The specifications of the cage include the size of the mesh and the length, width and height of the cage. For the cage of Pelteobagrus fulvidraco culture, the box should not be too large, it belongs to small cage. The size of the mesh depends on the size of the fish.
1. The matching cages of different specifications are set up according to the different growth stages of fish species. If the fry is about 2 cm, it is necessary to prepare enough first-and second-class (or third) fish fry boxes and adult fish cages with different mesh. If you put in 5 cm long fish species, you only need to prepare enough adult fish cages with different mesh in order to separate and cultivate the individuals with different growth.
two。 Mesh size and cage specifications the first-class fish cage mesh is made of about 20 mesh mesh, and the box size is 2 m × 1.5 m × 1.5 m (length × width × height, the same below), or 3 m × 2 m × 1.5 m. The mesh of the secondary fish cage is 0.4 cm 0.5 cm open box, the specification is 2 m × 1.5 m × 1.5 m or 2 m × 2 m x 1.5 m (the mesh of the third class cage is 0.8 cm, the specification is the same as above) The adult fish cage chooses polyethylene enclosed cage with mesh of 1 cm and 1.5 cm, with specifications of 4 m × 4 m × 2 m or 5 m × 5 m × 2.5 m, which is a double-layer closed structure. generally, the mesh of the outer cage should be larger than that of the inner box, and 2 × 2.5 cm can be selected.
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How to cultivate Pelteobagrus fulvidraco in pond
Pond culture of Pelteobagrus fulvidraco is also known as pond breeding or pond mixed culture of Pelteobagrus fulvidraco, which can be Pelteobagrus fulvidraco or Pelteobagrus fulvidraco. Because Pelteobagrus fulvidraco has strong ability to adapt to the environment, the culture technique of capturing Pelteobagrus fulvidraco is relatively simple. (1) the pond conditions are required to be none
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Control of melon disease in cultured Pelteobagrus fulvidraco
The main results are as follows: (1) the pathogen has many children. (2) the symptoms are on the skin, fins and gills of diseased fish, white dot cysts can be seen with the naked eye, and in severe cases, the body surface seems to be covered with a white film. Diseased fish are slow to react or float on the surface. The body surface of the fish is caused by bacterial infection in the focus.
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